run_hook ()
{
    msg -n ":: Creating shutdown ramfs..."

    mkdir -p /run/initramfs/usr/bin
    mkdir /run/initramfs/usr/sbin
    mkdir /run/initramfs/bin
    mkdir /run/initramfs/sbin
    mkdir /run/initramfs/lib
    cp /bin/busybox /run/initramfs/bin/
    cp /lib/ld-* /run/initramfs/lib/
    cp /lib/lib* /run/initramfs/lib/
    cp /sbin/dmsetup /run/initramfs/sbin/
    if [[ -x /bin/nbd-client ]]; then
        cp /bin/nbd-client /run/initramfs/bin/
    fi

    chroot /run/initramfs /bin/busybox --install
    cp /shutdown /run/initramfs/

    msg "done."
}